Climatological Report (Daily)
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000
CDUS43 KLOT 200643
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
142 AM CDT MON OCT 20 2014


...................................

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 19 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         54    923 PM  84    1971  61     -7       54
  MINIMUM         33    633 AM  21    1992  42     -9       42
  AVERAGE         44                        52     -8       48

PRECIPITATION (IN)
  YESTERDAY        0.00          2.22 1885   0.10  -0.10     0.01
  MONTH TO DATE    2.44                      1.90   0.54     1.52
  SINCE SEP 1      5.15                      5.11   0.04     4.09
  SINCE JAN 1     37.23                     30.24   6.99    36.46

SNOWFALL (IN)
  YESTERDAY        0.0           3.8  1989   0.0    0.0      0.0
  MONTH TO DATE    T                         0.1   -0.1      0.0
  SINCE SEP 1      T                         0.1   -0.1      0.0
  SINCE JUL 1      T                         0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       21                        14      7       17
  MONTH TO DATE  235                       207     28      141
  SINCE SEP 1    341                       312     29      209
  SINCE JUL 1    346                       325     21      220

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                        10     -7       25
  SINCE SEP 1     84                       102    -18      168
  SINCE JAN 1    799                       842    -43      933
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     8.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           300 AM
 LOWEST     59           100 PM
 AVERAGE    78

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        86      1953
 MINIMUM TEMPERATURE (F)   42        24      1930
                                             1895


SUNRISE AND SUNSET
OCTOBER 20 2014.......SUNRISE   710 AM CDT   SUNSET   602 PM CDT
OCTOBER 21 2014.......SUNRISE   711 AM CDT   SUNSET   601 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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